Dr. Brown's AquaCool Water-Filled Teethers cool and soothe your teething baby. Designed to be placed in the refrigerator, the teething toy is filled with 100% purified water, to cool and soothe all areas of baby's mouth. The teether's textures massage gums and help relieve pressure from emerging teeth. Fun colors and whimsically designed house plant cactus shapes keep baby engaged and the soft material is comforting and pleasant in baby's mouth. The handle design is easy for little hands to grasp and hold, even while cold! Refrigerator safe and easy to clean, simply hand wash baby teething toy in warm soapy water. BPA free. 3m+.